Exipnos is an Open Source, network based 3D virtual reality platform. The platform is intended mainly (but not exclusively) for eLearning applications. Role Player or Adventure Games might as well be developed and hosted on Exipnos.

MindGate is a virtual reality multiuser client - server system written in Java. The purpose of the system is to provide communication, persistence, 3d streaming support for users which are imersed into virtual reality worlds - stored anywhere on the Web.

The Open Descent Foundation (ODF) is a community for developers, who want to help to create open source programs, tools, etc. for the famous games Descent1, -2 or -3. Everyone can join the ODF if he accepts the idea of writing open source programs.

POVlightboard assists in generating light definitions for inclusion in Persistence of Vision Raytracer (POV-Ray) scene files. POVlightboard supports all light features of POV-Ray, including lighting changes during animations.